21301010301 has 4 divisors (see below), whose sum is σ = 28401347072. Its totient is φ = 14200673532.

The previous prime is 21301010293. The next prime is 21301010327. The reversal of 21301010301 is 10301010312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 21301010301 - 2³ = 21301010293 is a prime.

It is a super-2 number, since 2×21301010301² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21301018301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3550168381 + ... + 3550168386.

It is an arithmetic number, because the mean of its divisors is an integer number (7100336768).

Almost surely, 2^21301010301 is an apocalyptic number.

It is an amenable number.

21301010301 is a deficient number, since it is larger than the sum of its proper divisors (7100336771).

21301010301 is an equidigital number, since it uses as much as digits as its factorization.

21301010301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7100336770.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 21301010301 its reverse (10301010312), we get a palindrome (31602020613).

The spelling of 21301010301 in words is "twenty-one billion, three hundred one million, ten thousand, three hundred one".